Decreased expression of a member of the Rho GTPase family, Cdc42Hs, in cells from Tangier disease - the small G protein may play a role in cholesterol efflux. - Hirano,K.; Matsuura,F.; Tsukamoto,K.; Zhang,Z.; Matsuyama,A.; Takaishi,K.; Komuro,R.; Suehiro,T.; Yamashita,S.; Takai,Y.; Matsuzawa,Y. (FEBS Lett, 2000)